Home / 145,550,960.77-200,863,122.54-79,474,077.94

Finding the Fourth Proportional to 145,550,960.77, 200,863,122.54 and 79,474,077.94

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Solution

The fourth proportional to 145,550,960.77, 200,863,122.54 and 79,474,077.94 is: 109,675,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550,960.77 : 200,863,122.54 = 79,474,077.94 : x
  2. Step 2: Convert to fraction form
    145,550,960.77/200,863,122.54 = 79,474,077.94/x
  3. Step 3: Cross multiply
    145,550,960.77x = 200,863,122.54 × 79,474,077.94
  4. Step 4: Simplify right side
    145,550,960.77x = 15,963,411,456,015,730
  5. Step 5: Solve for x
    x = 15,963,411,456,015,730/145,550,960.77
  6. Step 6: Final answer
    x = 109,675,754.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.